Home / 368,839.35-552,647.55-128,824.29

Finding the Fourth Proportional to 368,839.35, 552,647.55 and 128,824.29

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Solution

The fourth proportional to 368,839.35, 552,647.55 and 128,824.29 is: 193,022.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,839.35 : 552,647.55 = 128,824.29 : x
  2. Step 2: Convert to fraction form
    368,839.35/552,647.55 = 128,824.29/x
  3. Step 3: Cross multiply
    368,839.35x = 552,647.55 × 128,824.29
  4. Step 4: Simplify right side
    368,839.35x = 71,194,428,248.99
  5. Step 5: Solve for x
    x = 71,194,428,248.99/368,839.35
  6. Step 6: Final answer
    x = 193,022.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.